Antlr.Runtime.BaseRecognizer.TraceIn C# (CSharp) Method

        public virtual void TraceIn(string ruleName, int ruleIndex, object inputSymbol)
        {
            if (TraceDestination == null)
                return;

            TraceDestination.Write("enter " + ruleName + " " + inputSymbol);
            if (state.backtracking > 0)
            {
                TraceDestination.Write(" backtracking=" + state.backtracking);
            }
            TraceDestination.WriteLine();
        }